4(x+7)-9=5(x-4)

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Solution for 4(x+7)-9=5(x-4) equation:


Simplifying
4(x + 7) + -9 = 5(x + -4)

Reorder the terms:
4(7 + x) + -9 = 5(x + -4)
(7 * 4 + x * 4) + -9 = 5(x + -4)
(28 + 4x) + -9 = 5(x + -4)

Reorder the terms:
28 + -9 + 4x = 5(x + -4)

Combine like terms: 28 + -9 = 19
19 + 4x = 5(x + -4)

Reorder the terms:
19 + 4x = 5(-4 + x)
19 + 4x = (-4 * 5 + x * 5)
19 + 4x = (-20 + 5x)

Solving
19 + 4x = -20 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.
19 + 4x + -5x = -20 + 5x + -5x

Combine like terms: 4x + -5x = -1x
19 + -1x = -20 + 5x + -5x

Combine like terms: 5x + -5x = 0
19 + -1x = -20 + 0
19 + -1x = -20

Add '-19' to each side of the equation.
19 + -19 + -1x = -20 + -19

Combine like terms: 19 + -19 = 0
0 + -1x = -20 + -19
-1x = -20 + -19

Combine like terms: -20 + -19 = -39
-1x = -39

Divide each side by '-1'.
x = 39

Simplifying
x = 39

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